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Original research — experimental, observational, or case-control study. Direct primary evidence.
Gut & Microbiome
Human Health Effects
Marine & Wildlife
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Oxidative stress-related effects induced by micronized polyethylene terephthalate microparticles in the Manila clam
Journal of Toxicology and Environmental Health2020
47 citations
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Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Score: 45
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0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Renato Bacchetta,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Renato Bacchetta,
Renato Bacchetta,
Renato Bacchetta,
Michela Sugni
Marco Parolini,
Beatrice De Felice,
Beatrice De Felice,
Stefano Gazzotti,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Stefano Gazzotti,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Beatrice De Felice,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Renato Bacchetta,
Renato Bacchetta,
Michela Sugni
Stefano Gazzotti,
Stefano Gazzotti,
Stefano Gazzotti,
Stefano Gazzotti,
Stefano Gazzotti,
Marco Aldo Ortenzi,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Beatrice De Felice,
Beatrice De Felice,
Marco Aldo Ortenzi,
Beatrice De Felice,
Stefano Gazzotti,
Beatrice De Felice,
Renato Bacchetta,
Marco Parolini,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Beatrice De Felice,
Marco Parolini,
Stefano Gazzotti,
Stefano Gazzotti,
Marco Parolini,
Beatrice De Felice,
Stefano Gazzotti,
Beatrice De Felice,
Beatrice De Felice,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Beatrice De Felice,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Luisa Annunziata,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Aldo Ortenzi,
Stefano Gazzotti,
Stefano Gazzotti,
Stefano Gazzotti,
Michela Sugni
Michela Sugni
Michela Sugni
Renato Bacchetta,
Luisa Annunziata,
Michela Sugni
Marco Parolini,
Renato Bacchetta,
Renato Bacchetta,
Marco Aldo Ortenzi,
Beatrice De Felice,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Michela Sugni
Michela Sugni
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Beatrice De Felice,
Marco Parolini,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Renato Bacchetta,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Michela Sugni
Marco Parolini,
Marco Parolini,
Renato Bacchetta,
Marco Parolini,
Beatrice De Felice,
Stefano Gazzotti,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Renato Bacchetta,
Marco Aldo Ortenzi,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Beatrice De Felice,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Marco Aldo Ortenzi,
Stefano Gazzotti,
Marco Parolini,
Stefano Gazzotti,
Marco Parolini,
Stefano Gazzotti,
Michela Sugni
Michela Sugni
Michela Sugni
Marco Aldo Ortenzi,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Renato Bacchetta,
Beatrice De Felice,
Beatrice De Felice,
Beatrice De Felice,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Renato Bacchetta,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Marco Parolini,
Michela Sugni
Summary
This study investigated the toxic effects of polyethylene terephthalate (PET) microplastics on the sea urchin Paracentrotus lividus over a 7-day exposure period, finding oxidative stress-related responses including lipid peroxidation and changes in antioxidant enzyme activity. The findings highlight PET as a microplastic type with measurable ecotoxicological impact on marine invertebrates.
Microplastic (MP) contamination represents a serious threat for marine organisms. Several lab studies demonstrated adverse effects induced by exposure to different MP polymers toward diverse marine species. However, the information regarding toxicity of polyethylene terephthalate (PET) MPs is largely unknown. The present study was aimed at investigating the adverse effects induced by 7-day exposure to two concentrations (0.125 or 12.5 µg/ml) micronized, irregular shaped and variable size PET microparticles (PET-MPs) toward Manila clam (<i>Ruditapes philippinarum)</i>. Histological analyses were performed to assess tissue damage on digestive glands, gonads, gut and gills, whereas oxidative stress-related effects, including the concentration of pro-oxidant molecules, activity of antioxidant (superoxide dismutase - SOD, catalase - CAT and glutathione peroxidase - GPx) and detoxifying (glutathione S-transferase - GST) enzymes, as well as levels of lipid peroxidation, were determined in gills and digestive gland. Our results showed that clams ingest and egest micronized PET-MPs, but no marked histological alterations to bivalve tissues occurred. Although PET-MPs did not produce oxidative stress in the digestive gland, these materials significantly altered oxidative status of gills, leading to lipid peroxidation. No apparent clear indication of a weakness of bivalve health status was obtained in this study.